kopia lustrzana https://github.com/pimoroni/pimoroni-pico
68 wiersze
2.5 KiB
C++
68 wiersze
2.5 KiB
C++
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#pragma once
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#include <stdint.h>
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#include <math.h>
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#include "pico/stdlib.h"
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#include "hardware/pwm.h"
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#include "common/pimoroni_common.hpp"
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namespace pimoroni {
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class RGBLED {
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public:
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RGBLED(uint pin_r, uint pin_g, uint pin_b, Polarity polarity=Polarity::ACTIVE_LOW, uint8_t brightness=255) :
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pin_r(pin_r), pin_g(pin_g), pin_b(pin_b), polarity(polarity), led_brightness(brightness) {
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pwm_cfg = pwm_get_default_config();
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pwm_config_set_wrap(&pwm_cfg, UINT16_MAX);
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pwm_init(pwm_gpio_to_slice_num(pin_r), &pwm_cfg, true);
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gpio_set_function(pin_r, GPIO_FUNC_PWM);
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pwm_init(pwm_gpio_to_slice_num(pin_g), &pwm_cfg, true);
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gpio_set_function(pin_g, GPIO_FUNC_PWM);
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pwm_init(pwm_gpio_to_slice_num(pin_b), &pwm_cfg, true);
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gpio_set_function(pin_b, GPIO_FUNC_PWM);
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};
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~RGBLED() {
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gpio_set_function(pin_r, GPIO_FUNC_NULL);
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gpio_set_function(pin_g, GPIO_FUNC_NULL);
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gpio_set_function(pin_b, GPIO_FUNC_NULL);
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}
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void set_rgb(uint8_t r, uint8_t g, uint8_t b);
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void set_hsv(float h, float s, float v);
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void set_brightness(uint8_t brightness);
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private:
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uint pin_r;
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uint pin_g;
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uint pin_b;
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Polarity polarity;
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pwm_config pwm_cfg;
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uint8_t led_r;
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uint8_t led_g;
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uint8_t led_b;
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uint8_t led_brightness = 255;
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const uint8_t GAMMA[256] = {
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2,
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2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5,
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6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 11, 11,
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11, 12, 12, 13, 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18,
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19, 19, 20, 21, 21, 22, 22, 23, 23, 24, 25, 25, 26, 27, 27, 28,
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29, 29, 30, 31, 31, 32, 33, 34, 34, 35, 36, 37, 37, 38, 39, 40,
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40, 41, 42, 43, 44, 45, 46, 46, 47, 48, 49, 50, 51, 52, 53, 54,
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55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70,
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71, 72, 73, 74, 76, 77, 78, 79, 80, 81, 83, 84, 85, 86, 88, 89,
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90, 91, 93, 94, 95, 96, 98, 99, 100, 102, 103, 104, 106, 107, 109, 110,
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111, 113, 114, 116, 117, 119, 120, 121, 123, 124, 126, 128, 129, 131, 132, 134,
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135, 137, 138, 140, 142, 143, 145, 146, 148, 150, 151, 153, 155, 157, 158, 160,
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162, 163, 165, 167, 169, 170, 172, 174, 176, 178, 179, 181, 183, 185, 187, 189,
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191, 193, 194, 196, 198, 200, 202, 204, 206, 208, 210, 212, 214, 216, 218, 220,
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222, 224, 227, 229, 231, 233, 235, 237, 239, 241, 244, 246, 248, 250, 252, 255};
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void update_pwm();
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};
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}
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